18794000005 has 64 divisors (see below), whose sum is σ = 27352442880. Its totient is φ = 12235449600.

The previous prime is 18794000003. The next prime is 18794000009. The reversal of 18794000005 is 50000049781.

It is a happy number.

It is not a de Polignac number, because 18794000005 - 2¹ = 18794000003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18794000003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1990195 + ... + 1999615.

It is an arithmetic number, because the mean of its divisors is an integer number (427381920).

Almost surely, 2^18794000005 is an apocalyptic number.

It is an amenable number.

18794000005 is a deficient number, since it is larger than the sum of its proper divisors (8558442875).

18794000005 is a wasteful number, since it uses less digits than its factorization.

18794000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 18794000005 its reverse (50000049781), we get a palindrome (68794049786).

The spelling of 18794000005 in words is "eighteen billion, seven hundred ninety-four million, five", and thus it is an aban number.